December weather forecast in Ulan

December in Ulan is the snowiest and the windiest month of the year. In December, the weather in Ulan is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Ulan has 9 snowy, 9 cloudy, 7 sunny, and 6 partly cloudy days in December. The snowfalls are usually light. December as well as January and February is considered the most uncomfortable time to visit Ulan.